μC/ OS _Ⅱ是一個源碼公開的占先式多任務(wù)實時嵌入式操作系統(tǒng)，本文對μC/OS _Ⅱ中任務(wù)調(diào)度機(jī)制和中斷管理模式進(jìn)行了分析，對任務(wù)棧處理進(jìn)行了改進(jìn)以實現(xiàn)中斷調(diào)度優(yōu)化。
關(guān)鍵字：μC/ OS _Ⅱ；任務(wù)就緒表； 任務(wù)調(diào)度； 中斷； 任務(wù)棧
Task Switching Mechanism and Research on Interrupt Scheduling Technology in μC/OS_Ⅱ
Mao,Demei1，2 He,Jianzhong1 Wang,Mingzhu3 ( 1.Computer Engineering College, University of Shanghai for Science and Technology,Shanghai 200093 ， China； 2.Department of Computer Science and Technology, West Anhui University,Lu’an,Anhui 237012， China； 3.Department of Mechanical and Electronic Engineering,West Anhui
University,Lu’an,Anhui 237012 ，China) Abstract: μC/ OS _Ⅱ is a fully-preemptive , real time embedded operation system which has opening sound code and multi-task. This paper analyzes task scheduling mechanism and interrupt manage mode, and introduces the improvement of task stack operation which can improve interrupt scheduling.
Keywords: μC/ OS _Ⅱ; task ready table; task schedule; interrupt; task stack